#!/bin/bash

# Slackware build script for hypre

# Copyright 2022 William PC, Seattle (USA)
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=hypre
VERSION=${VERSION:-2.26.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;


if [ "${OMP:-no}" == "yes" ]; then
  OPT_BUILD="--with-openmp"
fi

if [ "${MPI:-no}" == "yes" ]; then
  OPT_BUILD="$OPT_BUILD --with-MPI"
else
  OPT_BUILD="$OPT_BUILD --without-MPI"
fi

if [ "${CUDA:-no}" == "yes" ]; then
  OPT_BUILD="$OPT_BUILD --with-cuda"
fi

if [ "${HIP:-no}" == "yes" ]; then
  OPT_BUILD="$OPT_BUILD --with-hip"
fi

# for intel GPU, requires oneMKL
if [ "${SYCL:-no}" == "yes" ]; then
  OPT_BUILD="$OPT_BUILD --with-sycl"
fi


# fix building with openmp
# "undefined reference "omp_get_max""
# if user sets CFLAGS and CXXFLAGS to configure,
# the Makefile use these flags and doesn't include
# the fopenmp
sed -i '1616aif test "$hypre_using_openmp" = "yes" \
then \
  LDFLAGS+=" -fopenmp" \
fi\n' src/config/configure.in

cd src
autoconf config/configure.in > configure
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --mandir=/usr/man \
  --htmldir=/usr/doc/$PRGNAM-$VERSION \
  --pdfdir=/usr/doc/$PRGNAM-$VERSION \
  --enable-shared \
  --with-blas \
  --with-blas-libs=blas \
  --with-blas-lib-dirs=/usr/lib${LIBDIRSUFFIX} \
  --with-lapack \
  --with-lapack-libs=lapack \
  --with-lapack-lib-dirs=/usr/lib${LIBDIRSUFFIX} \
  $OPT_BUILD \
  --host=$(hostname) \
  --build=$ARCH-slackware-linux
make
make test check
make install HYPRE_LIB_INSTALL=$PKG/usr/lib${LIBDIRSUFFIX} HYPRE_INC_INSTALL=$PKG/usr/include/$PRGNAM
cd ..

# install examples
mkdir -p $PKG/usr/share/$PRGNAM-$VERSION
cp -a src/examples $PKG/usr/share/$PRGNAM-$VERSION

# fix examples
sed -i -e 's#^HYPRE_DIR = .*#HYPRE_DIR = /usr#' \
       -e 's#$(HYPRE_DIR)/include#&/hypre#' \
       -e 's#$[{(]HYPRE_DIR[})]/lib#&'${LIBDIRSUFFIX}'#' \
	$PKG/usr/share/$PRGNAM-$VERSION/examples/Makefile


# Don't ship .la files:
rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  CHANGELOG COPYRIGHT LICENSE-APACHE LICENSE-MIT NOTICE SUPPORT.md src/docs \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
